CN204477304U - The mechanical seal of a kind of unit loading type reactor - Google Patents
The mechanical seal of a kind of unit loading type reactor Download PDFInfo
- Publication number
- CN204477304U CN204477304U CN201520121045.4U CN201520121045U CN204477304U CN 204477304 U CN204477304 U CN 204477304U CN 201520121045 U CN201520121045 U CN 201520121045U CN 204477304 U CN204477304 U CN 204477304U
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- Prior art keywords
- ring
- positioning hole
- flange
- shaft sleeve
- push pedal
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses the mechanical seal of a kind of unit loading type reactor, comprise, lower flange, fit water jacket is therebetween set, upper flange nosing lower end surface is overlapped successively and is loaded onto push pedal, upper wedge ring, upper stationary ring, upper rotating ring, the spring of upper flange lower end surface inner circumferential abuts upper push pedal, the lower rotating ring being set in stirring shaft is provided with below convex, Lower shaft sleeve is provided with lower push pedal, lower wedge ring, lower stationary ring, lower stationary ring and lower rotating ring are fitted, the spring of lower flange upper-end surface inner circumferential abuts lower push pedal, on, lower rotating ring be circumferentially with positioning hole, Upper shaft sleeve is provided with axle sleeve positioning hole, on, lower Rotation ring positioning hole and Upper shaft sleeve positioning hole place are provided with locating stud, on, lower flange is provided with positioning hole, on described, lower stationary ring passes through through upper, the locating stud of lower stationary ring positioning hole and upper, lower flange connects, the unit loading type double-face mechanical sealing structure of model utility is compact, easy for installation, less to the wearing and tearing of spring and O type circle in using process.
Description
Technical field
The invention belongs to mechanical seal field, be specifically related to the mechanical seal of a kind of unit loading type reactor.
background technique
The mechanical seal of the existing reactor of order is of a great variety, prior art complex structure, axis or radial installation dimension greatly, need professional and technical personnel's site installation test and maintenance, therefore need design a kind of rational in infrastructure, be convenient to the unit loading type reactor mechanical seal of installing.
applying date 2014.09.03, a kind of high-temperature high-pressure reaction kettle mechanical seal device of application number 201420165356.6, comprise the unit loading type machine envelope be arranged on axle sleeve, described unit loading type machine package draws together rotating ring and the stationary ring of the sealing that cooperatively interacts, the spring for compensating is provided with after described rotating ring, described unit loading type machine envelope front end is provided with the flange for being connected with reactor, described flange inside has airtight cavity, the mechanical seal of this kind of unit loading type reactor can adapt to high temperature and high pressure environment well and adopt unit loading type structure, without the need to professional and technical personnel's site installation test.
But because the stirring shaft rotation process of reactor in practical application easily produces slight inclination and rocks, the rotating ring floating-type seal structure that this kind of device adopts, when stirring shaft Sloped rotating, rotating seat rotates with the axle sleeve tilted, rotating ring is fitted tightly by spring force and stationary ring and is kept sealing, but owing to being located at spring on rotating seat also along with rotating seat rotates, for each spring, often rotate a circle and all experience a fore and aft motion, when running up, spring easily lost efficacy or damaged, and caused seal failure; And this kind of apparatus structure relative complex, rotating ring and stationary ring all need to be set on axle sleeve by rotating seat or stationary seat, install, dismounting, maintenance relatively loaded down with trivial details.
summary of the invention
The present invention is directed to prior art deficiency, provide the mechanical seal of a kind of unit loading type reactor, solve prior art medi-spring and easily lost efficacy and structure relative complex, install, dismantle, keep in repair loaded down with trivial details problem.
for solving the problem, the invention provides the mechanical seal of a kind of unit loading type reactor, comprise, lower flange, and the fit water jacket be arranged at therebetween, be set in, Upper shaft sleeve in lower flange, Lower shaft sleeve, Upper shaft sleeve is positioned at, not-go-end radial direction in lower flange is provided with convex, upper flange inner circle is provided with axial nosing, to overlap successively away from direction, upper flange lower end surface along nosing and load onto push pedal, upper wedge ring, the upper stationary ring that inner ring surface of contact mates with upper wedge ring, the upper rotating ring being set in Upper shaft sleeve is provided with between convex and upper stationary ring, upper flange lower end surface inner circumferential arranges front upper spring opening, in front upper spring opening, upper spring is set, upper spring abuts upper push pedal, make push pedal, upper wedge ring, upper stationary ring, a sealing chain fitted tightly is formed between upper rotating ring and boss upper-end surface, the lower rotating ring being set in stirring shaft, upper-end surface and convex lower end surface and fitting is provided with below convex, to overlap successively away from direction, lower flange upper-end surface along Lower shaft sleeve and load push pedal, lower wedge ring, the upper stationary ring that inner ring surface of contact mates with lower wedge ring, fit in the upper-end surface of upper stationary ring and the lower end surface of lower rotating ring, described lower flange upper-end surface inner circumferential arranges lower spring hole, lower spring arranges lower spring in hole, lower spring abuts lower push pedal, make lower push pedal, lower wedge ring, lower stationary ring, surface of contact between lower rotating ring and convex lower end surface forms a sealing chain fitted tightly, upper rotating ring and lower rotating ring be circumferentially with Rotation ring positioning hole, lower Rotation ring positioning hole, with upper Rotation ring positioning hole, lower Rotation ring positioning hole is corresponding, Upper shaft sleeve is provided with axle sleeve positioning hole, upper Rotation ring positioning hole and lower Rotation ring positioning hole and Upper shaft sleeve positioning hole joint are provided with locating stud, in order to realize upper rotating ring, being in transmission connection of lower rotating ring and Upper shaft sleeve, described lower flange is provided with lower positioning hole, and described lower stationary ring is connected with lower flange by the locating stud through lower stationary ring positioning hole, and described upper flange is provided with positioning hole, and described upper stationary ring is connected with upper flange by the locating stud through upper stationary ring positioning hole.
Further, described lower rotating ring inwall is at least provided with an O type circle.
further, a 2nd O type circle is at least provided with between described upper rotating ring and Upper shaft sleeve.
Further, described upper flange, lower flange are respectively equipped with circular groove, lower circular groove, are provided with fit water jacket between described upper circular groove, lower circular groove, described fit water jacket is provided with water inlet pipe mouth, effluent pipe mouth.
Described upper push pedal, lower push pedal adopts metallic material to make.
described upper wedge ring and lower wedge ring adopt polytetrafluoroethylmaterial material to make.
Upper shaft sleeve is provided with screw section, and described screw section attaching nut is used for centered by Upper shaft sleeve, by the interim assembly and connection between upper flange, upper spring, upper push pedal, upper wedge ring, upper stationary ring, upper rotating ring.
technique effect of the present invention and advantage:
Unit loading type reactor of the present invention mechanical seal, lower stationary ring and upper stationary ring are directly installed on Lower shaft sleeve and Upper shaft sleeve without the need to stationary seat, and upper rotating ring and lower rotating ring are all in transmission connection by locating stud and Upper shaft sleeve, and structure is compacter, easy installation and removal, runs more steady; Simultaneously, rotating ring floating-type seal structure is improved to stationary ring floating-type seal structure, even if when stirring shaft Sloped rotating, for the spring in the upper and lower spring eye that described circumference is arranged, the spring being positioned at stirring shaft true dip direction side is in by holding position of compressing and the spring of opposite side is in holding position of elongation, for each spring, can not rotate with the axis and occur fore and aft motion repeatedly, spring not easily lost efficacy, and can use for a long time.
accompanying drawing explanation
Fig. 1 is the sectional view of an embodiment of the present invention;
Fig. 2 is the sectional view of the Upper shaft sleeve assembling of an embodiment of the present invention;
Fig. 3 is the explosive view of an embodiment of the present invention;
Fig. 4 is the A portion enlarged diagram shown in Fig. 1, Fig. 2 of the present invention;
Fig. 5 is the B portion enlarged diagram shown in Fig. 1, Fig. 2 of the present invention.
in figure: 1, lower flange, 1a, lower circular groove, 1b, lower spring hole, 1c, lower positioning hole, 1d, lower installation screw, 2, Lower shaft sleeve, 3, lower stationary ring, 3a, lower stationary ring positioning hole, 4, lower rotating ring, 4a, lower Rotation ring positioning hole, 5, upper rotating ring, 5a, upper Rotation ring positioning hole, 6, upper stationary ring, 6a, upper stationary ring positioning hole, 7, Upper shaft sleeve, 7a, convex, 7b, Upper shaft sleeve positioning hole, 7c, screw section, 8, upper flange, 8a, upper circular groove, 8b, front upper spring opening, 8c, upper positioning hole, 8d, upper mounting hole, 8e, nosing, 9, lower spring, 10, lower push pedal, 11, lower wedge ring, 12, upper spring, 13, upper push pedal, 14, upper wedge ring, 15, one O type circle, 16, 2nd O type circle, 17, fit water jacket, 17a, intake pipe, 17b, outlet pipe, 18, general assembly hole, that is lower flange mounting hole, 19, stud, 20, nut.
embodiment
In order to avoid obscuring of understanding, the present invention is explained as follows:
1, the above-below direction of the following stated is corresponding with illustrated above-below direction.
2, the Upper shaft sleeve coordinated with rotating ring in the occasion had also referred to as rotating seat.
The shape of upper and lower stationary ring is various, is prior art, does not do the description of concrete shape in this document.
The mode that stirring shaft is installed in the mechanical seal of unit loading type reactor has multiple, such as: by the Double End flange of clamping bolt clamping inner clip wedge ring, make to establish wedge ring jaggy inwardly to tighten up, and then tighten up and establish crannied axle sleeve, also have and by fastening screw trip bolt, mode, stirring shaft (not shown) is connected with axle sleeve.Axle sleeve locking apparatus can be referred to as.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
the present invention has carried out the improvement of unique innovation to the structure of existing unit loading type reactor mechanical seal, annexation and position relationship, provides a kind of new unit loading type reactor mechanical seal.
see Fig. 1, the scheme of this unit loading type reactor mechanical seal comprises upper and lower flange 8,1, upper and lower flange 8,1, in order to be connected and fixed all parts therebetween, realizes the connection of the mechanical seal of unit loading type reactor and reactor body by the general assembly hole 18 on lower flange 1.Arrange fit water jacket 17 between upper and lower flange 8,1, for forced heat radiation, in upper and lower flange 8,1, be set with Upper shaft sleeve 7, Lower shaft sleeve 2, Upper shaft sleeve 7 is positioned at air end, and Lower shaft sleeve 2 is near media end.Upper shaft sleeve 7 also referred to as rotating seat, acts on consistent with purposes in the occasion had.
Upper shaft sleeve 7 is positioned at, not-go-end radial direction in lower flange is provided with convex 7a, upper flange 8 inner circle is provided with axial nosing 8e, to overlap successively away from direction, upper flange 8 lower end surface along nosing 8e and load onto push pedal 13, upper wedge ring 14, the upper stationary ring 6 that inner ring surface of contact mates with upper wedge ring 14, the upper rotating ring 5 being set in Upper shaft sleeve 7 is provided with between convex 7a and upper stationary ring 6, upper flange 8 lower end surface inner circumferential arranges front upper spring opening 8b, upper spring 12 is set in front upper spring opening 8b, upper spring 12 abuts upper push pedal 13, make push pedal 13, upper wedge ring 14, upper stationary ring 6, a sealing chain fitted tightly is formed between upper rotating ring 5 and boss 7a upper-end surface.Fig. 3 can be participated in.
at least be provided with a 2nd O type circle 16 between described upper rotating ring 5 and Upper shaft sleeve 7, one can be formed between Upper shaft sleeve 7 periphery and upper rotating ring 5 inner circumferential and be tightly connected.
the lower rotating ring 4 being set in stirring shaft, upper-end surface and convex 7a lower end surface and fitting is provided with below convex 7a; Along Lower shaft sleeve 2 away from direction, lower flange 1 upper-end surface overlap successively load push pedal 10, lower stationary ring 3 that lower wedge ring 11, inner ring surface of contact mate with lower wedge ring 11, fit in the upper-end surface of lower stationary ring 3 and the lower end surface of lower rotating ring 4, described lower flange 1 upper-end surface inner circumferential arranges lower spring hole 1b, in the 1b of lower spring hole, lower spring 9 is set, lower spring 9 abuts lower push pedal 10, makes lower push pedal 10, lower wedge ring 11, lower stationary ring 3, surface of contact between lower rotating ring 4 and convex 7a lower end surface form a sealing chain fitted tightly.Fig. 3 can be participated in.
Upper flange 8, upper push pedal 13, upper wedge ring 14, upper stationary ring 6, between upper rotating ring 5 and boss 7a upper-end surface, and, lower flange 1 time push pedal 10, lower wedge ring 11, lower stationary ring 3, between lower rotating ring 4 and convex 7a lower end surface, by the laminating of all parts contact end face, from top to bottom, between upper and lower flange 8,1, form a sealing chain, internally can prevent leaking of reactor material, externally can prevent the water in fit water jacket 17 from entering into reactor.
Upper rotating ring 5 and lower rotating ring 4 be circumferentially with Rotation ring positioning hole 5a, lower Rotation ring positioning hole 4a, corresponding with upper Rotation ring positioning hole 5a, lower Rotation ring positioning hole 4a, Upper shaft sleeve 7 is provided with axle sleeve positioning hole 7b, upper Rotation ring positioning hole 5a and lower Rotation ring positioning hole 4a and Upper shaft sleeve positioning hole 7b joint are provided with locating stud (not shown), and in order to realize upper rotating ring 5, lower rotating ring 4 is in transmission connection with Upper shaft sleeve 7; Like this, upper rotating ring 5, lower rotating ring 4 can with Upper shaft sleeve 7 synchronous axial system by locating stud.
described lower flange 1 is provided with lower positioning hole 1c, described lower stationary ring 3 is connected with lower flange 1 by the locating stud through lower stationary ring positioning hole 3a, described upper flange 8 is provided with positioning hole 8c, and described upper stationary ring 6 is connected with upper flange 8 by the locating stud through upper stationary ring positioning hole 6a.
Except above-mentioned sealing link, described lower rotating ring 4 inwall is at least provided with an O type circle 15, and lower rotating ring 4 inwall contacts with stirring shaft, and arranging of an O type circle 15 can prevent reactor reaction mass from leaking from lower rotating ring 4 and stirring shaft joint.
Stirring shaft running produces amount of heat, in order to efficiently radiates heat, described upper flange 8, lower flange 1 are respectively equipped with circular groove 8a, lower circular groove 1a, be provided with fit water jacket 17 between described upper circular groove 8a, lower circular groove 1a, described fit water jacket 17 is provided with water inlet pipe mouth 17a, effluent pipe mouth 17b.By the circulation by force of water, the amount of heat that stirring shaft running produces can be taken away, realize cooling, reach the effect increased the service life.
in order to proof strength and performance requirement, described upper push pedal 13, lower push pedal 10 adopts metallic material to make, such as steel, alloy steel products etc., to reach the requirements such as firm corrosion protection.
Described upper wedge ring 10 and lower wedge ring 5 adopt polytetrafluoroethylmaterial material to make, polytetrafluoroethylmaterial material has the performance of multiple excellence, heat-resisting, wear-resisting, flexible, can fit with the contact end face of miscellaneous part, the work in various rugged environment and situation can be adapted to well.
Upper lower flange 8,1, through upper mounting hole 8d, lower installation screw 1d, is connected by stud 19, makes each member in tight laminating of device above-below direction.
see Fig. 2, the parts be installed on Upper shaft sleeve 7 are more, in order to the parts on Upper shaft sleeve 7 be positioned before general assembly and be connected temporarily, in case all parts is loose and dislocation, Upper shaft sleeve 7 is provided with screw section 7b, attaching nut 20 can centered by Upper shaft sleeve 7, by assembly and connection successively between upper flange 8, upper spring 12, upper push pedal 13, upper wedge ring 14, upper stationary ring 6, upper rotating ring 5.After general assembly completes, shed nut 20, Upper shaft sleeve 7 can be tightened up by existing locking device, realizes being fixedly connected with of Upper shaft sleeve 7 and stirring shaft, and then, realize the interlock of upper and lower rotating ring 5,4 and stirring shaft.
The present invention promotes push pedal by spring, and the activity of coupling wedge ring and upper and lower stationary ring, can absorb vibration, realizes sealing, due to lower stationary ring 3, upper stationary ring 6 respectively with lower flange 1, upper flange 8 is connected by locating stud, allow lower stationary ring 3, upper stationary ring 6 can fluctuate or slight inclination but stop it to rotate, when stirring shaft is slight angle Sloped rotating, described lower stationary ring 3, upper stationary ring 6 respectively with lower rotating ring 4, upper rotating ring 5 fits tightly, and and lower flange, upper flange presents several angle, for the front upper spring opening 8b that described circumference is arranged, spring in the 1b of lower spring hole, the spring being positioned at stirring shaft true dip direction side is in by holding position of compressing and the spring of opposite side is in holding position of elongation, compared with in prior art, rotating ring floating mechanical seals, when avoiding stirring shaft Sloped rotating, spring follow-up ring often rotates a circle and will experience the problem of a retracted position, extend the service time of spring.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; be not limited to the present invention; although with reference to previous embodiment to invention has been detailed description; for a person skilled in the art; it still can be modified to the technological scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the mechanical seal of unit loading type reactor, comprises, lower flange (8, 1), and be arranged at fit water jacket (17) therebetween, be set in, lower flange (8, 1) Upper shaft sleeve (7) in, Lower shaft sleeve (2), is characterized in that: Upper shaft sleeve (7) is positioned at, lower flange (8, 1) the not-go-end radial direction in is provided with convex (7a), and upper flange (8) inner circle is provided with axial nosing (8e), to overlap successively load onto push pedal (13) along nosing (8e) away from upper flange (8) direction, lower end surface, upper wedge ring (14), the upper stationary ring (6) that inner ring surface of contact mates with upper wedge ring (14), the upper rotating ring (5) being set in Upper shaft sleeve (7) is provided with between convex (7a) and upper stationary ring (6), upper flange (8) lower end surface inner circumferential arranges front upper spring opening (8b), upper spring (12) is set in front upper spring opening (8b), push pedal (13) on upper spring (12) abutting, makes push pedal (13), upper wedge ring (14), upper stationary ring (6), a sealing chain fitted tightly is formed between upper rotating ring (5) and boss (7a) upper-end surface, convex (7a) below is provided with and is set in stirring shaft, the lower rotating ring (4) fitted in upper-end surface and convex (7a) lower end surface, to overlap successively away from lower flange (1) direction, upper-end surface along Lower shaft sleeve (2) and load push pedal (10), lower wedge ring (11), the lower stationary ring (3) that inner ring surface of contact mates with lower wedge ring (11), fit in the upper-end surface of lower stationary ring (3) and the lower end surface of lower rotating ring (4), described lower flange (1) upper-end surface inner circumferential arranges lower spring hole (1b), lower spring (9) is set in lower spring hole (1b), lower spring (9) abuts lower push pedal (10), make lower push pedal (10), lower wedge ring (11), lower stationary ring (3), surface of contact between lower rotating ring (4) and convex (7a) lower end surface forms a sealing chain fitted tightly, upper rotating ring (5) and lower rotating ring (4) be circumferentially with Rotation ring positioning hole (5a), lower Rotation ring positioning hole (4a), corresponding with upper Rotation ring positioning hole (5a), lower Rotation ring positioning hole (4a), Upper shaft sleeve (7) is provided with axle sleeve positioning hole (7b), upper Rotation ring positioning hole (5a) and lower Rotation ring positioning hole (4a) are provided with locating stud with Upper shaft sleeve positioning hole (7b) joint, and in order to realize upper rotating ring (5), lower rotating ring (4) is in transmission connection with Upper shaft sleeve (7), described lower flange (1) is provided with lower positioning hole (1c), described lower stationary ring (3) is connected with lower flange (1) by the locating stud through lower stationary ring positioning hole (3a), lower positioning hole (1c), described upper flange (8) is provided with positioning hole (8c), and described upper stationary ring (6) is connected with upper flange (8) by the locating stud through upper stationary ring positioning hole (6a), upper positioning hole (8c).
2. a kind of unit loading type reactor according to claim 1 mechanical seal, is characterized in that: described lower rotating ring (4) inwall is at least provided with an O type circle (15).
3. a kind of unit loading type reactor according to claim 1 mechanical seal, is characterized in that: be at least provided with a 2nd O type circle (16) between described upper rotating ring (5) and Upper shaft sleeve (7).
4. a kind of unit loading type reactor according to claim 1 mechanical seal, it is characterized in that: described upper flange (8), lower flange (1) are respectively equipped with circular groove (8a), lower circular groove (1a), be provided with fit water jacket (17) between described upper circular groove (8a), lower circular groove (1a), described fit water jacket (17) is provided with water inlet pipe mouth (17a), effluent pipe mouth (17b).
5. a kind of unit loading type reactor according to claim 1 mechanical seal, is characterized in that: described upper push pedal (13), and lower push pedal (10) adopts metallic material to make.
6. a kind of unit loading type reactor according to claim 1 mechanical seal, is characterized in that: described upper wedge ring (14) and lower wedge ring (11) adopt polytetrafluoroethylmaterial material to make.
7. a kind of unit loading type reactor according to claim 1 mechanical seal, it is characterized in that: Upper shaft sleeve is provided with screw section (7c), attaching nut (20) for centered by Upper shaft sleeve (7), by the interim assembly and connection between upper flange (8), upper spring (12), upper push pedal (13), upper wedge ring (14), upper stationary ring (6), upper rotating ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121045.4U CN204477304U (en) | 2015-03-02 | 2015-03-02 | The mechanical seal of a kind of unit loading type reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520121045.4U CN204477304U (en) | 2015-03-02 | 2015-03-02 | The mechanical seal of a kind of unit loading type reactor |
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| Publication Number | Publication Date |
|---|---|
| CN204477304U true CN204477304U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520121045.4U Expired - Fee Related CN204477304U (en) | 2015-03-02 | 2015-03-02 | The mechanical seal of a kind of unit loading type reactor |
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| CN (1) | CN204477304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696525A (en) * | 2015-03-02 | 2015-06-10 | 淄博推进化工机械有限公司 | Cartridge mechanical seal for reactor |
-
2015
- 2015-03-02 CN CN201520121045.4U patent/CN204477304U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696525A (en) * | 2015-03-02 | 2015-06-10 | 淄博推进化工机械有限公司 | Cartridge mechanical seal for reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20180302 |